model_info.m: fix display of lagged states

preprocessor increments lags/leads always only by 1

I have the impression that there is still a remaining bug after fixing the one you have identified: the line 285 str = subst_auxvar(var_index, -1, M_); should be replaced by str = subst_auxvar(var_index, -1+lead_lag, M_);. And line 287 should be modified in a similar fashion. Can you confirm?

Because we nowadays only work with one lead/lag models, we can hardcode the -1/+1 the way it is done in disp_dr.m. But I agree that the code is more readable with explicit reference to lead_lag. I also allows to simplify the code. I pushed an amended version.

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• 45e8ab14 - model_info.m: fix display of lagged states

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mentioned in commit 6235de3a

merged